Siemens SINAMICS S120 Equipment Manual page 454

Cabinet Design and EMC Booksize
8.5 Information about electromagnetic compatibility (EMC) and cable routing
Functional ground connection for PROFIBUS
Note
Functional ground
Ensure that grounding is carried out properly and is suitable for high frequencies to enable
HF currents to flow to ground. The protective grounding provided should not be used as
functional ground.
Figure 8-9
The following connectors are recommended:
● PROFIBUS connector without PG/PC connection (6ES7972-0BA41-0XA0)
● PROFIBUS connector with PG/PC connection (6ES7972-0BB41-0XA0)
454
Functional ground connection for PROFIBUS
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
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